34893951138 has 18 divisors (see below), whose sum is σ = 75605277969. Its totient is φ = 11631052872.

The previous prime is 34893951133. The next prime is 34893951149. The reversal of 34893951138 is 83115939843.

34893951138 is a `hidden beast` number, since 3 + 4 + 8 + 93 + 9 + 511 + 38 = 666.

34893951138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27813233529 + 7080717609 = 166773^2 + 84147^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=132087.

It is a super-2 number, since 2×34893951138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34893951133) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 770508 + ... + 814536.

Almost surely, 2^34893951138 is an apocalyptic number.

34893951138 is an abundant number, since it is smaller than the sum of its proper divisors (40711326831).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34893951138 is an frugal number, since it uses more digits than its factorization.

34893951138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88066 (or 44034 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 34893951138 in words is "thirty-four billion, eight hundred ninety-three million, nine hundred fifty-one thousand, one hundred thirty-eight".